Johnson Controls A11B-1 Freezestat Freon the T104R is specifically geared

the T104R is specifically geared for 208-277VAC circuits

potentially damaging the control board

This -859 suffix part is rated for high-temperature service from -20

it operates natively on 277 VAC systems without external hardware

Simplified Installation: The plug-in architecture allows for rapid swaps without the need for complex terminal re-mapping or custom mounting

Johnson Controls A11B-1 Freezestat Freon the T104R is specifically gearedThe Johnson Controls A11B 1 is a professional grade low temperature cutout control, commonly referred to in the field as a freezestat. Engineered specifically for HVAC systems utilizing chilled water or steam coils, this mechanical temperature control protects against thermal damage by monitoring air duct temperatures. The unit features an SPST switch that opens on a temperature drop, effectively cutting power to the fan or closing dampers when